pO2: convert mmHg to kPa
kPa = mmHg × 0.1333
Calculator
Enter a value in any unit and all other units fill in.
Conversion formulas
| mmHg → kPa | kPa = mmHg × 0.1333 |
|---|---|
| kPa → mmHg | mmHg = kPa × 7.501 |
Conversion table
Highlighted: values inside the adult reference range.
| mmHg | kPa |
|---|---|
| 20 | 2.666 |
| 40 | 5.333 |
| 60 | 7.999 |
| 80 | 10.67 |
| 100 | 13.33 |
| 120 | 16 |
| 140 | 18.67 |
| 160 | 21.33 |
| 180 | 24 |
| 200 | 26.66 |
| 220 | 29.33 |
| 240 | 32 |
Reference range
75 – 100 mmHg = 9.999 – 13.33 kPa
Source: MedlinePlus (NLM): Blood gases · Last reviewed: 2026-10-14